Analysis of mosquito monitoring results using light traps in Zhejiang province, 2009.

Objective To provide an overview of such dynamics as the population distribution and seasonal variation of mosquitoes in Zhejiang province, which gives the basis for prevention of mosquito-borne diseases. Methods Mosquito light traps produced by one manufacturer, Wuhan Jixing Environmental Protection Technology Co., Ltd, were used to collect the insects. Results Culex pipiens pallens mosquitoes were the predominant species in most areas of Zhejiang province, while Cx. tritaeniorhynchus mosquitoes were predominant in Ningbo and Lishui areas, and Aedes albopictus were distributed in most parts of the province. Mosquito activities peaked from June to September, as the number of mosquitoes captured in this period accounted for 79.80% of the total in a year. Of the 5 different habitats, stockyards contained the most mosquitoes, accounting for 46.03%. Conclusion Zhejiang's geographical environment and climatic conditions are favorable to the growth of a variety of mosquitoes, making the prevention and control of mosquito-borne diseases and reduction of mosquito density essential in all areas of the province.